Catalan Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 751st emplv 🇱🇻 800 79 115ms 20 Dec 2022 751st DialFrost 🇸🇬 800 79 130ms 23 Mar 2025 753rd Feniske 🇫🇷 799 38 204ms 6 Nov 2023 753rd Yewzir 🇧🇪 799 38 211ms 7 May 2024 755th Betuaredead 798 147 266ms 21 Jan 2023 756th dokutan 797 136 349ms 20 mins ago 757th error256 796 51 289ms 15 Jan 2025 758th Matgc04 796 91 361ms 17 Nov 2023 759th MeWhenI 🇻🇦 795 85 4,331ms 27 Oct 2024 760th albanian-laundromat 794 44 967ms 25 Sep 2025 761st msbranicky 793 54 10ms 23 Aug 2023 761st Code-Coder-coder 793 54 10ms 26 days ago 763rd Ripick 793 148 276ms 16 Feb 2023 764th nipzu 790 98 61ms 4 Feb 2022 765th SniperSmiley 🇺🇸 787 25 36ms 4 Sep 2022 765th CornerMercury 🇬🇧 787 25 47ms 24 Aug 2023 767th namelessiw 787 49 373ms 19 Aug 2024 768th Shanethegamer 🇺🇸 787 92 375ms 29 Jan 2022 768th dokutan 787 92 411ms 24 Mar 2025 770th Yewzir 🇧🇪 786 39 45ms 7 May 2024 770th codereport 🇨🇦 786 39 35ms 21 Apr 2025 770th Chara-0x 786 39 34ms 18 Sep 2025 773rd stefangimmillaro 786 86 3,181ms 4 Nov 2024 774th didion0 🇺🇸 785 50 9ms 16 Feb 2022 774th Natanaelel 🇸🇪 785 50 9ms 3 Jan 2024 774th weliveinhell 🇭🇹 785 50 10ms 11 Jan 2024 774th inverseLorentz 🇦🇺 785 50 12ms 1 Apr 2024 778th annaproxy 785 65 5ms 3 Oct 2022 779th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 779th Steffan153 🇫🇮 784 65 7ms 20 Dec 2023 781st stellartux 783 48 299ms 1 Jan 2024 782nd KasperKivimaeki 🇫🇮 782 150 263ms 29 Sep 2025 783rd stefangimmillaro 781 159 27ms 4 May 2023 784th jared-hughes 780 139 369ms 24 Sep 2025 785th ZakkkkAttackkkk 🇵🇭 779 55 14ms 30 Jan 2022 785th Emutis 🇱🇹 779 55 12ms 27 Oct 2024 787th hamhub7 779 93 419ms 3 Aug 2022 787th MeWhenI 🇻🇦 779 93 364ms 15 Oct 2022 789th DialFrost 🇸🇬 777 68 5ms 7 Dec 2024 789th pardouin 🇫🇷 777 68 8ms 20 Mar 2025 791st kimbo 🇺🇸 777 151 267ms 25 Dec 2022 792nd rak1507 🇬🇧 776 52 30ms 29 Jan 2022 793rd Shanethegamer 🇺🇸 776 59 143ms 29 Jan 2022 793rd Z-snails 776 59 145ms 28 Feb 2023 795th inventshah 773 22 2ms 8 May 2022 796th KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 797th CheeseCake628 🇳🇴 772 50 438ms 20 days ago 798th Shanethegamer 🇺🇸 771 58 15ms 29 Jan 2022 799th ovs-code 🇩🇪 771 82 117ms 14 Oct 2022 800th codingisgreatbutiamnot 769 51 11ms 25 Jul 2024 801st Yax42 🇫🇷 769 141 490ms 4 Oct 2025 802nd jared-hughes 769 307 22ms 8 Jul 2024 803rd MeWhenI 🇻🇦 767 49 376ms 15 Feb 2023 804th dokutan 767 153 274ms 24 Mar 2025 805th ovs-code 🇩🇪 766 161 133ms 21 Apr 2025 806th petroselo 765 56 14ms 12 Apr 2022 806th HumanoidCPU 765 56 21ms 27 May 2024 806th kevinnaviapaiva 765 56 13ms 19 Dec 2024 806th wobblybits 765 56 10ms 19 Aug 2025 810th brimstonetrader 763 60 126ms 10 Jan 2024 810th YAJUE114514 763 60 145ms 23 Jul 2025 812th Yewzir 🇧🇪 763 102 154ms 7 May 2024 813th LeeCamp 762 27 37ms 10 Feb 2022 814th snoozingnewt 🇺🇸 762 154 282ms 9 days ago 815th nipzu 761 162 129ms 2 Apr 2024 816th pardouin 🇫🇷 760 51 81ms 13 Sep 2024 817th Stockoh 🇫🇷 757 51 373ms 23 Jun 2024 818th SirBogman 🇺🇸 756 26 36ms 10 Sep 2022 818th Herbert00709 🇵🇱 756 26 56ms 21 Feb 2024 820th SirFireball3521 754 52 10ms 3 Nov 2022 821st Terobero 752 57 13ms 21 Aug 2024 821st Mick-Travis 752 57 13ms 8 Dec 2024 823rd pardouin 🇫🇷 752 84 109ms 8 Mar 2025 824th MeWhenI 🇻🇦 752 156 271ms 10 Feb 2023 825th ovs-code 🇩🇪 751 32 119ms 29 Dec 2023 First Prev 751–825 of 1,936 Next Last